GoodUI Evidence - People's A/B test results that show which UI ideas work best
Loomio - Loomio helps groups of people make decisions together, online.
Decidr - Make better decisions with quick A/B polls
DemocracyOS - DemocracyOS is an open source application for online decision making.
PreFlight - Preflight is an Automated Web Testing tool. Allows everyone to automate Web UI tests.
Airesis - A decision making tool for direct democracy and e-government: participate in discussions, bring your ideas, suggest solutions and vote online